lkml.org 
[lkml]   [2021]   [Feb]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
Subjectarch/sh/kernel/ftrace.c:274:25: sparse: sparse: incorrect type in argument 1 (different address spaces)
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 3fb6d0e00efc958d01c2f109c8453033a2d96796
commit: e5fc436f06eef54ef512ea55a9db8eb9f2e76959 sparse: use static inline for __chk_{user,io}_ptr()
date: 6 months ago
config: sh-randconfig-s031-20210227 (attached as .config)
compiler: sh4-linux-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.3-241-geaceeafa-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e5fc436f06eef54ef512ea55a9db8eb9f2e76959
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout e5fc436f06eef54ef512ea55a9db8eb9f2e76959
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=sh

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


"sparse warnings: (new ones prefixed by >>)"
arch/sh/kernel/ftrace.c:50:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *ptr @@ got unsigned char * @@
arch/sh/kernel/ftrace.c:50:9: sparse: expected void const volatile [noderef] __iomem *ptr
arch/sh/kernel/ftrace.c:50:9: sparse: got unsigned char *
arch/sh/kernel/ftrace.c:57:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *ptr @@ got unsigned char * @@
arch/sh/kernel/ftrace.c:57:9: sparse: expected void const volatile [noderef] __iomem *ptr
arch/sh/kernel/ftrace.c:57:9: sparse: got unsigned char *
>> arch/sh/kernel/ftrace.c:274:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *ptr @@ got unsigned long * @@
arch/sh/kernel/ftrace.c:274:25: sparse: expected void const volatile [noderef] __iomem *ptr
arch/sh/kernel/ftrace.c:274:25: sparse: got unsigned long *
>> arch/sh/kernel/ftrace.c:277:9: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const volatile [noderef] __iomem *ptr @@ got unsigned long ip @@
arch/sh/kernel/ftrace.c:277:9: sparse: expected void const volatile [noderef] __iomem *ptr
arch/sh/kernel/ftrace.c:277:9: sparse: got unsigned long ip
arch/sh/kernel/ftrace.c:368:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *ptr @@ got unsigned long *parent @@
arch/sh/kernel/ftrace.c:368:17: sparse: expected void const volatile [noderef] __iomem *ptr
arch/sh/kernel/ftrace.c:368:17: sparse: got unsigned long *parent

vim +274 arch/sh/kernel/ftrace.c

327933f5d6cdf0 Matt Fleming 2009-07-11 265
327933f5d6cdf0 Matt Fleming 2009-07-11 266 static int ftrace_mod(unsigned long ip, unsigned long old_addr,
327933f5d6cdf0 Matt Fleming 2009-07-11 267 unsigned long new_addr)
327933f5d6cdf0 Matt Fleming 2009-07-11 268 {
327933f5d6cdf0 Matt Fleming 2009-07-11 269 unsigned char code[MCOUNT_INSN_SIZE];
327933f5d6cdf0 Matt Fleming 2009-07-11 270
fe557319aa06c2 Christoph Hellwig 2020-06-17 271 if (copy_from_kernel_nofault(code, (void *)ip, MCOUNT_INSN_SIZE))
327933f5d6cdf0 Matt Fleming 2009-07-11 272 return -EFAULT;
327933f5d6cdf0 Matt Fleming 2009-07-11 273
327933f5d6cdf0 Matt Fleming 2009-07-11 @274 if (old_addr != __raw_readl((unsigned long *)code))
327933f5d6cdf0 Matt Fleming 2009-07-11 275 return -EINVAL;
327933f5d6cdf0 Matt Fleming 2009-07-11 276
327933f5d6cdf0 Matt Fleming 2009-07-11 @277 __raw_writel(new_addr, ip);
327933f5d6cdf0 Matt Fleming 2009-07-11 278 return 0;
327933f5d6cdf0 Matt Fleming 2009-07-11 279 }
327933f5d6cdf0 Matt Fleming 2009-07-11 280

:::::: The code at line 274 was first introduced by commit
:::::: 327933f5d6cdf083284d3c06e0370d1de464aef4 sh: Function graph tracer support

:::::: TO: Matt Fleming <matt@console-pimps.org>
:::::: CC: Paul Mundt <lethal@linux-sh.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[unhandled content-type:application/gzip]
\
 
 \ /
  Last update: 2021-02-27 06:52    [W:0.057 / U:1.536 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site